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Finding the Fourth Proportional to 77,663.07, 116,420.77 and 49,504.07

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Solution

The fourth proportional to 77,663.07, 116,420.77 and 49,504.07 is: 74,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,663.07 : 116,420.77 = 49,504.07 : x
  2. Step 2: Convert to fraction form
    77,663.07/116,420.77 = 49,504.07/x
  3. Step 3: Cross multiply
    77,663.07x = 116,420.77 × 49,504.07
  4. Step 4: Simplify right side
    77,663.07x = 5,763,301,947.53
  5. Step 5: Solve for x
    x = 5,763,301,947.53/77,663.07
  6. Step 6: Final answer
    x = 74,209.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.